-LRB- CNN -RRB- -- At least 10 people were killed and more than 100 wounded following a pair of bombings Saturday in the southern Thai city of Yala , Thai media reported .

The two blasts were the result of bombs stashed in stolen trucks , Police Lt. Gen. Paitoon Chuchaiya told CNN affiliate MCOT .

Video from the scene showed damage to buildings , cars and motorcycles on the street .

The blasts set fires to nearby vehicles , including a van , which itself exploded , leading to initial reports of a third bomb , Chuchaiya said .

Thai Prime Minister Yingluck Shinawatra said she has been informed of the Yala bombings and has instructed national police chief Gen. Prewpan Dhamapong to investigate the crime scene immediately , according to MCOT . Police investigators believe suspected insurgents are behind the attacks , MCOT said .

Last month , a series of bombs detonated in Bangkok . No one was killed in those blasts , and an Iranian suspect was arrested in connection with the incident .

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Police : Two apparent car bombs exploded in the city of Yala

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At least 10 people were killed and more than 100 injured

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Bangkok was hit by a series of bombings last month